SD Microbes

Learn what Cation Exchange Capacity (CEC) is, why it matters for soil health, how it affects nutrient retention, and how growers can improve CEC naturally for better yields.

Understanding CEC in Soil: How Cation Exchange Capacity Improves Ferti What Is Cation Exchange Capacity (CEC)? Cation Exchange Capacity, or CEC, is one of the most important indicators of soil fertility. It measures how well your soil can attract, hold, and exchange essential positively charged nutrient ions (cations). These include calcium, magnesium, potassium, and a...